Place of Origin: | Zhejiang, China (Mainland) |
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JIS G 3465 Seamless Drill Steel Pipes and Tubes for Drilling for mineral exploration
JIS G 3465 Seamless Steel Tubes for Drilling
Dimension:OD 30-150mm, WT: 3-20mm
Application :for Drill rod, Casing tube, Core tube
CHEMICAL COMPOSITION % max |
|
C |
Si |
0.04 |
0.04 |
MECHANICAL PROPERTIES min |
|||
Steel grade |
Tensile strength Mpa |
Yeild point or proof stress Mpa |
Elongation % |
STM-C-540 |
540 |
- |
18 |
STM-C-640 |
640 |
- |
16 |
STM-R-590 |
590 |
375 |
18 |
STM-R-690 |
690 |
440 |
16 |
STM-R-780 |
780 |
520 |
15 |
STM-R-830 |
830 |
590 |
10 |
Outside Diameter,wall Thickness and Mass (for casing Tube) |
||||
Nominal diameter |
Outside diameter mm |
Inside diameter |
Wall thickness mm |
Unit mass kg/m |
43 |
43 |
37 |
3 |
2.96 |
53 |
53 |
47 |
3 |
3.7 |
63 |
63 |
57 |
3 |
4.44 |
73 |
73 |
67 |
3 |
5.18 |
83 |
83 |
77 |
3 |
5.92 |
97 |
97 |
90 |
3.5 |
8.07 |
112 |
112 |
105 |
3.5 |
9.36 |
127 |
127 |
118 |
4.5 |
13.6 |
142 |
142 |
133 |
4.5 |
15.3 |
Outside Diameter,wall Thickness and Mass (for Core tube) |
||||
Nominal diameter |
Outside diameter mm |
Inside diameter |
Wall thickness mm |
Unit mass kg/m |
34 |
34 |
26.5 |
3.75 |
2.8 |
44 |
44 |
34.5 |
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